Tax Assessment Void for Ignoring Submissions Filed on the Last Day: Spain's National Court Blocks Remittal of Proceedings (Judgment 244/2026)

1. A ruling that changes the outcome of many tax inspections

Spain's National Court (Audiencia Nacional), Administrative Chamber, Fourth Section, in judgment no. 244/2026 of 3 June 2026 (appeal 1033/2020), has declared void a personal income tax (IRPF) assessment — and the penalty derived from it — because the Tax Inspectorate issued the decision without assessing the submissions the taxpayer had filed within the deadline, by post, on the final day of the period.

It goes further: it rejects the idea that this defect can be repaired by remitting the file back (retroacción de actuaciones). The reporting judge, Hon. Carmen Álvarez Theurer, concludes that this is a breach of the right to due administrative process creating a presumption of material prejudice to the defence, not a curable irregularity.

For any taxpayer under audit — and for the many foreign residents on the Costa Blanca facing IRPF, non-resident income tax or inheritance tax files — the difference is enormous: annulment means the file dies; remittal means the tax authority tries again with your cards already on the table.

At [Bufete Padilla](https://bufetepadillatorrevieja.com/en/contact), with offices in Torrevieja, Elche and Moraira, we routinely defend tax procedures at inspection, tribunal and judicial review stages. Here is our analysis.

2. The facts: six days in the post and a decision issued the next day

The chronology is the heart of the case:

| Date | Step |
|---|---|
| 19/11/2015 | Notice of commencement of inspection (IRPF 2013, general scope) |
| 07/04/2016 | Scope extended to IRPF 2011 and 2012 |
| 04/04/2017 | File disclosed and hearing stage opened (10 working days, Art. 96 Royal Decree 1065/2007) |
| 21/04/2017 | Disagreement assessment record issued, with 15 working days to file submissions |
| 09/05/2017 | Taxpayer requests an extension |
| 11/05/2017 | Extension refused |
| 17/05/2017 | Submissions filed at a post office (final day of the deadline) |
| 18/05/2017 | The Inspectorate issues and serves the assessment without them |
| 23/05/2017 | Submissions arrive at the Madrid Regional Registry |
| 05/10/2017 | Penalty decision: very serious infringement under Art. 191 General Tax Act at 150%, €391,915.53 |

The Central Economic-Administrative Tribunal (TEAC), on 11 June 2020, partially upheld the joined claims: it annulled the acts but ordered the file to be remitted back to the submissions stage so that the Inspectorate could reassess, this time actually reading them.

3. The TEAC argument the National Court dismantles

The TEAC was not neutral. It held that the taxpayer had committed an abuse of rights under Article 7.2 of the Civil Code: submissions filed on the last day, on paper, at a post office, using a channel different from the electronic one used throughout the procedure, and precisely when the maximum duration of the inspection expired the following day. In the tribunal's view, the taxpayer was deliberately engineering a limitation defence.

Even so, the TEAC accepted that the authority had failed to consider submissions filed in time and that the taxpayer was entitled to a reasoned reply, invoking Article 34.1(m) of the General Tax Act (right to be heard) and Article 96.1 of the General Tax Procedure Regulation. It therefore ordered remittal under Art. 239.3: a formal defect reducing the ability to defend oneself.